SOUTH DAKOTA Department of
Environment & Natural Resources

Protecting South Dakota's Tomorrow...Today!
Joe Foss Building
523 E Capitol
Pierre, SD 57501
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Most Recent Publications
Report of Investigations 118
Examination of Isotopes in Selected Waters in Eastern South Dakota
Geologic Quadrangle Map 27
Geologic Map of the Sturgis Quadrangle, South Dakota.
Geologic Quadrangle Map 23 (2017 revision)
Geologic Map of the Hill City Quadrangle, South Dakota.
Geologic Quadrangle Map 06 (2017 revision)
Geologic Map of the Silver City Quadrangle, South Dakota.